20223555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 37345536

約数和(自身を除く): 17121981

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 73, 115, 165, 219, 253, 345, 365, 759, 803, 1095, 1265, 1679, 2409, 3795, 4015, 5037, 5329, 8395, 12045, 15987, 18469, 25185, 26645, 55407, 58619, 79935, 92345, 122567, 175857, 277035, 293095, 367701, 612835, 879285, 1348237, 1838505, 4044711, 6741185, 20223555]

約数ペア:

[(1, 20223555), (3, 6741185), (5, 4044711), (11, 1838505), (15, 1348237), (23, 879285), (33, 612835), (55, 367701), (69, 293095), (73, 277035), (115, 175857), (165, 122567), (219, 92345), (253, 79935), (345, 58619), (365, 55407), (759, 26645), (803, 25185), (1095, 18469), (1265, 15987), (1679, 12045), (2409, 8395), (3795, 5329), (4015, 5037)]